| Current Path : /var/www/wsgi/www/api/venv/lib/python3.12/site-packages/pyhanko/sign/diff_analysis/ |
Linux ift1.ift-informatik.de 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 |
| Current File : /var/www/wsgi/www/api/venv/lib/python3.12/site-packages/pyhanko/sign/diff_analysis/constants.py |
"""
Internal constants for the difference analysis sub-package.
"""
import re
__all__ = [
'ACROFORM_EXEMPT_STRICT_COMPARISON',
'ROOT_EXEMPT_STRICT_COMPARISON',
'FORMFIELD_ALWAYS_MODIFIABLE',
'VALUE_UPDATE_KEYS',
'VRI_KEY_PATTERN',
]
# /Type: dictionary type (can always be added if correct)
# /Ff: Form field flags
FORMFIELD_ALWAYS_MODIFIABLE = frozenset({'/Ff', '/Type'})
# /AP: appearance dictionary
# /AS: current appearance state
# /V: field value
# /F: (widget) annotation flags
# /DA: default appearance
# /Q: quadding
VALUE_UPDATE_KEYS = FORMFIELD_ALWAYS_MODIFIABLE | frozenset(
{
'/AP',
'/AS',
'/V',
'/F',
'/DA',
'/Q',
}
)
VRI_KEY_PATTERN = re.compile('/[A-Z0-9]{40}')
ACROFORM_EXEMPT_STRICT_COMPARISON = frozenset(
{
'/Fields',
'/DR',
'/DA',
'/Q',
'/NeedAppearances',
}
)
ROOT_EXEMPT_STRICT_COMPARISON = frozenset(
{
'/AcroForm',
'/DSS',
'/Extensions',
'/Metadata',
'/MarkInfo',
'/Version',
}
)